WorldContextObject is null in BP function library

UE - Gameplay - Blueprint Compiler - Aug 15, 2017

[Feature Request] Improvements to EXCLUDE_NONPAK_UE_EXTENSIONS functionality

UE - Foundation - Core - Nov 16, 2017

We added the EXCLUDE_NONPAK_UE_EXTENSIONS define during EDL development, mainly for optimization purposes (keep all file IO out of pak file for better IO caching) and also security (don't allow over ...

VoIP loses functionality when transitioning levels.

UE - Online - Oct 23, 2019

VoIP between client and host is lost upon transitioning levels. ...

SSGI doesn't function properly using Vulkan

UE - Rendering Architecture - RHI - Jan 20, 2020

Screen Space Global Illumination appears really dark when using the Vulkan RHI on Windows and Linux. This behavior is also present in a Shipping build. This was reported and tested on 4.24.1 (CL-1 ...

Weighted Tangent not functioning in Curve Asset

UE - Anim - Sequencer - Feb 18, 2020

Weighted Tangent handle modifications do not work as expected in Curve Assets. ...

Lighting Channels do not work with Forward Shading

UE - Rendering Architecture - Materials - Mar 28, 2022

ARCore: Camera does not function in ARDebugCheck app

UE - Platform - XR - Mar 14, 2022

The camera is not turning on when using the ARDebugCheck app. Some details:The app does not ask for Camera permission and defaults to denied.ARDebugCheck is a Black screen after selecting "Start AR" ...

Changes in Inner functions not reflecting in the execution

UE - Anim - Rigging - Control Rig - Jan 17, 2024

Changing the collision response type of an instanced actor using a public variable in the construction script does not change the response type

UE - Simulation - Physics - Aug 27, 2020

Changing a public variable which is setup in the construction script of an actor to set the actor's collision response type does not change the actor's collision response type. The response type rem ...

[CrashReport] Mac crash - FCocoaRunLoopSource::Process

UE - Platform - Apple - Sep 14, 2017

This is a somewhat common Mac crash that has occurred since at least 4.14 and into 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack contains l ...